--- title: "A8s vs JTs: preflop equity" url: "https://georgelipoker.com/equity/a8s-vs-jts.md" canonical_url: "https://georgelipoker.com/equity/a8s-vs-jts" last_updated: "2026-10-23" type: "reference" summary: "Who is ahead, A8s or JTs? A8s leads 55.25% to 44.75% before the flop, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/a8s-vs-a2s.md", "https://georgelipoker.com/equity/a8s-vs-qto.md", "https://georgelipoker.com/equity/kts-vs-jts.md"] --- # A8s vs JTs: preflop equity Who is ahead, A8s or JTs? A8s leads 55.25% to 44.75% before the flop, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, A8s finishes with 55.25% of the pot and JTs with 44.75%. ## A8s against JTs: the numbers **Exact preflop results for A8s against JTs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | A8s | 55.010 | 0.472 | 44.518 | 55.246 | | JTs | 44.518 | 0.472 | 55.010 | 44.754 | A8s and JTs are both suited hands. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits. A 10.50 point lead is real, and JTs still takes about 445 of every 1,000 deals outright. The tie share is 0.47%: on those boards the pot is chopped and neither hand wins outright. In the ranking of all 169 starting hands, A8s is number 21 and JTs is number 45. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | A8s | 15,071,000 | 129,000 | 12,197,000 | | JTs | 12,197,000 | 129,000 | 15,071,000 | The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **A8s against JTs read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | A8s | 1.234 | 1.818 | 2.246 | 0.810 | | JTs | 0.810 | 2.246 | 1.818 | 1.234 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops If you know the kind of flop that came, the numbers shift: A8s holds 69.52% on low rainbow flops (nine high or lower) and 49.75% on rainbow flops topped by a ten or better. JTs takes over on rainbow flops topped by a ten or better, so the favorite before the flop is the underdog on those boards. **A8s against JTs by flop texture, in percent** | Flop | Share of flops | A8s wins | Ties | JTs wins | A8s equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.867 | 49.681 | 0.146 | 50.173 | 49.754 | | Rainbow, nine or lower | 7.042 | 69.211 | 0.619 | 30.170 | 69.520 | | Two-tone | 46.727 | 53.868 | 0.229 | 45.903 | 53.983 | | Monotone | 5.273 | 51.325 | 3.394 | 45.281 | 53.022 | | Paired | 17.091 | 60.859 | 0.628 | 38.513 | 61.173 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 61.94% for A8s, 57.53% for JTs. Here the change is -6.69 and -12.78 points. **A8s and JTs here compared with each against a random hand, in percent** | Case | Equity here | Against a random hand | Change in points | Times the random-hand equity | | --- | --- | --- | --- | --- | | A8s, all flops | 55.246 | 61.944 | -6.698 | 0.89187 | | A8s, rainbow, ten or higher | 49.754 | 61.944 | -12.190 | 0.80321 | | A8s, rainbow, nine or lower | 69.520 | 61.944 | +7.576 | 1.12230 | | A8s, two-tone | 53.983 | 61.944 | -7.961 | 0.87148 | | A8s, monotone | 53.022 | 61.944 | -8.922 | 0.85597 | | A8s, paired | 61.173 | 61.944 | -0.771 | 0.98755 | | JTs, all flops | 44.754 | 57.528 | -12.774 | 0.77795 | | JTs, rainbow, ten or higher | 50.246 | 57.528 | -7.282 | 0.87342 | | JTs, rainbow, nine or lower | 30.480 | 57.528 | -27.048 | 0.52983 | | JTs, two-tone | 46.017 | 57.528 | -11.511 | 0.79991 | | JTs, monotone | 46.978 | 57.528 | -10.550 | 0.81661 | | JTs, paired | 38.827 | 57.528 | -18.701 | 0.67492 | ## Does a shared suit matter? The suit split reads 56.97% for A8s with a shared suit and 54.67% without one. A8s does better with a shared suit, by 2.30 points. **A8s against JTs by suit overlap, in percent** | Deals | Specific deals | Share of deals | A8s wins | Ties | JTs wins | A8s equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 56.697 | 0.546 | 42.757 | 56.970 | | No shared suit | 12 | 75.00 | 54.447 | 0.448 | 45.105 | 54.671 | ## How often this matchup comes up A8s against JTs is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%. ## A worked example Put $100 each into a $200 pot and deal every board once: A8s averages $110.50 back, ahead of its $100 by $10.50, while JTs averages $89.50, short of its $100 by $10.50. Out of 1,000 deals you should see around 550 outright wins for A8s, 445 for JTs, and 5 split pots. ## The same matchup from the other side JTs versus A8s is this same page seen from the other hand: 44.75% for JTs, 55.25% for A8s. ## Keep exploring The calculator link fills in As8s against JhTh, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open As8s against JhTh in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As8s&p2=JhTh) - [A8s combos](https://georgelipoker.com/combos/a8s.md) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [A8s vs A2s](https://georgelipoker.com/equity/a8s-vs-a2s.md) - [A8s vs QTo](https://georgelipoker.com/equity/a8s-vs-qto.md) - [KTs vs JTs](https://georgelipoker.com/equity/kts-vs-jts.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed This is an exact count with no sampling. For the 16 ways to deal one A8s and one JTs without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [A8s vs A2s: preflop equity](https://georgelipoker.com/equity/a8s-vs-a2s.md) - [A8s vs QTo: preflop equity](https://georgelipoker.com/equity/a8s-vs-qto.md) - [KTs vs JTs: preflop equity](https://georgelipoker.com/equity/kts-vs-jts.md)